Shampoo collar protector



FIG. 1 is a front perspective view of a shampoo collar protector showing my new design;

FIG. 2 is a side elevational view thereof, both sides being identical;

FIG. 3 is a top plan view thereof;

FIG. 4 is a front elevational view thereof; and,

FIG. 5 is a bottom plan view thereof.

The surfaces which are not shown, form no part of the claimed design. 

The ornamental design for a shampoo collar protector, as shown. 